| 1 | |
| Researcher: | Ratnam, Kanaka |
| Guide: | Ali, Syed Ayub Ali |
| University: | Kakatiya University |
| Language: | English |
| 2 | |
| Researcher: | Vekata Ratnam, G |
| Guide: | Suprasannacharya, K |
| University: | Kakatiya University |
| Language: | English |
| 3 | |
| Researcher: | Venkata Ratnam, G |
| Guide: | Suprasannacharya, K |
| University: | Kakatiya University |
| Language: | English |
| 4 | Contributions to the biology of the fresh water fishes (family:Bagridae) |
| Researcher: | Seetha Ratnam, K N |
| Guide: | Rajendra Nath, T |
| University: | Kakatiya University |
| Language: | English |
| 5 | Contribution to the biology of the freshwater fishes Family: Bagridae |
| Researcher: | Seetha Ratnam, K N |
| Guide: | Rajendra Nath, T |
| University: | Kakatiya University |
| Language: | English |